How Do Suction Cups Work?
Have you ever thought about how suction cups work? It's got to be suction, right? Or is it? As it turns out, all we need is some basic physics to explain suction cups. And of course there's a connection between…
physics
What Happens to Air Flow in Ducts When Size Changes?
As we continue our study of indoor air quality and filtration, we now come back to duct design. Today's lesson is on an interesting bit of physics that applies to anything that flows. It could be heat or particles or…
